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  • Building FunctionTrace, a graphical Python profiler

    Firefox Profiler is a powerful web-based performance analysis interface featuring call trees, stack charts, flame graphs, and more. All data filtering, zooming, slicing, and transformation actions are preserved in shareable URLs. FunctionTrace is a low-overhead profiler that runs on unmodified Python applications. Integrated with Firefox, it's a new breed of …

  • High Performance Web Audio with AudioWorklet in Firefox

    Earlier this week, Audio Worklets landed in the release of Firefox 76. We’re ready to start bridging the gap between web audio and native. Developers can now leverage AudioWorklet to write arbitrary audio processing code. This exciting new functionality raises the bar for emerging web experiences like 3D games, VR, …

  • Firefox 76: Audio worklets and other tricks

    Firefox 76 delivers great new features for web platform support, such as Audio Worklets and Intl improvements, on the JavaScript side. Also, we’ve added a number of topnotch improvements to Firefox DevTools to make JavaScript debugging and development easier and quicker. The post Firefox 76: Audio worklets and other tricks …

  • Fuzzing Firefox with WebIDL

    Fuzzing, or fuzz testing, is an automated approach for testing the safety and stability of software. For the past 3 years, the Firefox fuzzing team has been developing a new fuzzer to identify security vulnerabilities in the implementation of WebAPIs in Firefox. This fuzzer leverages the WebAPIs’ own WebIDL definitions …

  • A Taste of WebGPU in Firefox

    We are excited to bring WebGPU support to Firefox because it will allow richer and more complex graphics applications to run portably on the web. WebGPU is an emerging API, designed from the ground up within the W3C, to provide access to the graphics and computing capabilities of hardware on …

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